7861693930793 has 2 divisors, whose sum is σ = 7861693930794. Its totient is φ = 7861693930792.

The previous prime is 7861693930729. The next prime is 7861693930813. The reversal of 7861693930793 is 3970393961687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6261590368489 + 1600103562304 = 2502317^2 + 1264952^2 .

It is a cyclic number.

It is not a de Polignac number, because 7861693930793 - 2⁶ = 7861693930729 is a prime.

It is a super-2 number, since 2×7861693930793² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7861693935793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930846965396 + 3930846965397.

It is an arithmetic number, because the mean of its divisors is an integer number (3930846965397).

Almost surely, 2^{7861693930793} is an apocalyptic number.

It is an amenable number.

7861693930793 is a deficient number, since it is larger than the sum of its proper divisors (1).

7861693930793 is an equidigital number, since it uses as much as digits as its factorization.

7861693930793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277766496, while the sum is 71.

The spelling of 7861693930793 in words is "seven trillion, eight hundred sixty-one billion, six hundred ninety-three million, nine hundred thirty thousand, seven hundred ninety-three".